linux-kernel - [PATCH 0/2] mcp23s08 pinconf support

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Message-Id: <20170127144738.21107-1-sre@kernel.org>
Date:   Fri, 27 Jan 2017 15:47:36 +0100
From:   Sebastian Reichel <sre@...nel.org>
To:     Sebastian Reichel <sre@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] mcp23s08 pinconf support

Hi,

Here are two patches for the mcp23s08 driver adding proper support for the
pull-up resistors. The regmap conversion was mainly done to improve the
debugging capabilities, but is also a nice cleanup. Further cleanups could
be done by using regmap's caching instead of the open-coded one.

The patches were tested with a couple of mcp23017 connected to the I²C bus of
an RPi (and modified DT).

-- Sebastian

Sebastian Reichel (2):
  gpio: mcp23s08: use regmap
  gpio: mcp23s08: add pinconf support

 drivers/gpio/gpio-mcp23s08.c | 430 ++++++++++++++++++++++++++-----------------
 1 file changed, 261 insertions(+), 169 deletions(-)

-- 
2.11.0